Home / 4,970.27-7,452.97-2,778.41

Finding the Fourth Proportional to 4,970.27, 7,452.97 and 2,778.41

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Solution

The fourth proportional to 4,970.27, 7,452.97 and 2,778.41 is: 4,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.27 : 7,452.97 = 2,778.41 : x
  2. Step 2: Convert to fraction form
    4,970.27/7,452.97 = 2,778.41/x
  3. Step 3: Cross multiply
    4,970.27x = 7,452.97 × 2,778.41
  4. Step 4: Simplify right side
    4,970.27x = 20,707,406.38
  5. Step 5: Solve for x
    x = 20,707,406.38/4,970.27
  6. Step 6: Final answer
    x = 4,166.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.